Collema fuscovirens Collemataceae
Lathagrium fuscovirens (Collema fuscovirens)

Growth type foliose
Chemical results negative

On sunny limestone outcrops, the top of table tombs and dry stone walls

Leathery thallus, the dark olive-green to blackish lobes paler below and swelling little when wet. Lobe surfaces are isidiate, the isidia smaller than those of Collema auriforme. Apothecia are sparse or frequent, margins smooth or isidiate.

Collema fuscovirens

Collema fuscovirens
Collema fuscovirens
Corfe Mullen, Dorset. January 2014

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